Скачать или смотреть Pandas Tutorial 06 Merge ,Join, concatenation in pandas Data frames

“There should be one—and preferably only one—obvious way to do it,” — Zen of Python. I certainly wish that were the case with pandas. In reading the docs it feels like there are a thousand ways to do each operation. And it is hard to tell if they do the exact same thing or which one you should use. That's why I made An Opinionated Guide to pandas—to present you one consistent (and a bit opinionated) way of doing data science with pandas and cut out all the confusion and cruft.
in this video I have discussed
1. What is the difference between concat(), join() and merge() methods
2. What is the difference between join() and merge() methods
الدمج والانضمام او الربط والتسلسل والمقارنة بالمصفوفات او جدوال البيانات